The Periodic Table
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Into rows in order of increasing mass-elements with similar properties were in the same column.
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| show | The match between Mendeleev's predictions and the actual properties of the new elements.
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| show | Elements are arranged by increasing atomic number (# of protons). Each row on the table is a period. Each column is a group.
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| 4. What does the atomic mass of an element depend on? | show 🗑
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| 5. What categories are used to classify elements on the periodic table? | show 🗑
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| show | The elements become less metallic and more non-metallic in their properties.
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| show | Elements in a group have similar properties because they have the same number of valence electrons.
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| 8. What are some properties of the "A" groups in the periodic table? | show 🗑
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| show | Because they have the same number of valence electrons.
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| 10. What is the relationship between an alkali metal's location in Group 1A and its reactivity? | show 🗑
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| show | Except for water, MOST of the compounds in your body contain CARBON.
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| show | Besides nitrogen, fertilizers often contain phosphorus.
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| 13. Which group of elements is the least reactive? | show 🗑
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| 14. Why is hydrogen located in a group with reactive metals? | show 🗑
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| 15. What biological function requires magnesium? | show 🗑
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| show | The energy needed to purify recycled aluminum is only about 5 percent of the energy needed to extract alluminum from bauxite.
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| show | About 65 % of the sulfuric acid produced is used to make fertilizers.
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| 18. Why is chlorine added to drinking water? | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Ari Melincoff-Levy
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